US7182158B2 - Drilling device comprising a rotational drive - Google Patents

Drilling device comprising a rotational drive Download PDF

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Publication number
US7182158B2
US7182158B2 US10/469,319 US46931904A US7182158B2 US 7182158 B2 US7182158 B2 US 7182158B2 US 46931904 A US46931904 A US 46931904A US 7182158 B2 US7182158 B2 US 7182158B2
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United States
Prior art keywords
sections
rod
carrier
interconnected
pipe sections
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Expired - Fee Related, expires
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US10/469,319
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English (en)
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US20040108144A1 (en
Inventor
Gerhard Völkel
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Tracto Technik GmbH and Co KG
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Tracto Technik GmbH and Co KG
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Assigned to TRACTO-TECHNIK GMBH reassignment TRACTO-TECHNIK GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VOLKEL, GERHARD
Publication of US20040108144A1 publication Critical patent/US20040108144A1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

Definitions

  • the rod assembly is used for the transmission of pushing forces and torque onto the drilling tool as well as for the transmission of pulling forces when taking out the rod assembly out of a drilling hole against the drilling direction, as normally done.
  • drilling rod assemblies for wet drilling are used to transport drilling fluid in direction of the drilling tool e.g. for the hydraulic mining of the soil. Drilling rod assemblies thus are subject to large static and dynamic load and thus require connections for the single pipe sections, which can cope with these loads and are, if necessary, liquid tight.
  • screwed connections are normally used as rod connections. These do however make time consuming screwing processes, often with use of special rod screwing devices, necessary on the one hand and are especially extremely sensitive to soiling and mechanical damage. Additionally, screwed drilling rod assemblies allow only one direction of rotation during drilling, as unscrewing of the connection would result otherwise. Even if the time effort for applying the screwing device, the actual screwing and the withdrawal of the screwing device per rod section is small, the related stop periods add up substantially with increasing rod assembly or drilling length.
  • the invention is thus directed to a drilling rod assembly of multiple sections, which sections can be interconnected and taken apart in a time-saving manner.
  • a drilling device where the pipe sections are braced among each others by means of a tension rod situated inside the pipe.
  • the tension rod allows to do without a screwing connection and instead to do with a simple plug-type connection, e.g. a positive fit plug type connection.
  • a plug-type connection can be made of pipe sections inserted into each other in a sleeve manner.
  • the tension rod can be made of massive sections or can also be made of pipe sections (inner pipe sections). In this manner it is possible to transport the drilling fluid through a pipe type tension rod to the drilling head and to transport the drilling fluid back through a ring shaped channel between the tension rod (inner rod assembly) and the outer rod assembly or to work with a driving fluid for a MUD-motor as well as a drilling fluid separately therefrom.
  • the pipe sections of the outer and/or the inner rod assembly or the tension rod respectively can be interconnected with positive fit, e.g. by means of bayonet catches, which allow a fast and secure connection and separation of the pipe sections.
  • the inner pipe sections have a receiver at one end with an opening for inserting there-through at least one lockin stop.
  • the other pipe end is then provided with at least one corresponding locking stop, which for locking and unlocking only needs to be turned through 90°.
  • a carrier stop In the proximity of the locking stop a carrier stop can be arranged, which co-operates with a corresponding stop of the respective outer pipe section.
  • a carrier stop for the locking stop can be arranged in the proximity of the receiver of the inner pipe sections, which also corresponds with a stop of the respective outer pipe section.
  • the outer pipe sections can be provided with a inner collar, which has a longitudinal slit for inserting there-through the carrier stop on the inner pipe section.
  • the inner collar can pass into a ring groove for the carrier stop.
  • the section of the outer pipe and the tension rod can be interconnected without screwing, they should be provided with at least one key surface to create a torque proof connection in both directions and to allow an easy and fast locking for the tension rod by means of a key.
  • the tension rod can also be made of separate rope sections, which can be interconnected by means of a connector having a hook and a ring.
  • at least one carrier stop can also be provided in the proximity of the hook and/or at least one carrier stop can be provided in the proximity of the ring also. These stops then also co-operated with slit inner collars of the outer pipe sections.
  • the carrier stops are arranged in pairs in positions opposing each other.
  • FIG. 1 shows an outer pipe section
  • FIG. 2 shows a inner section in the form of a massive rod
  • FIG. 3 shows two interconnected rod assembly sections of pipe sections according to FIGS. 1 and 2 ,
  • FIG. 4 shows a rod assembly cross-section along the line IV—IV in FIG. 3 ,
  • FIG. 5 shows a rod assembly cross section along the line V—V in FIG. 3 .
  • FIG. 6 shows the front view of a rearward inner pipe section
  • FIG. 7 shows two pipe sections interconnected by means of a robe type tension rod.
  • the drilling rod assembly is essentially made of a drilling head 1 with nozzles 2 for a drilling fluid as well as inner sections 4 .
  • the outer pipe sections 3 have a sleeve 5 with at least one key surface 6 at one end as well as a pivot 7 at the other end with at least one corresponding key surface 8 as well as a ring grove 9 for a seal (not shown).
  • the inner section 4 is made of a massive rod ( FIG. 2 ) and also has a sleeve 11 at one end with at least one key surface 12 and a pivot 13 at the other end with at least one corresponding key surface 14 as well as locking stops 15 .
  • the outer pipe section 3 furthermore has an inner collar 16 with two longitudinal slits opposing one another, which cross section corresponds to the outline of the carrier stops 19 at the rearward end of a pipe type inner section 4 and—like shown in FIG. 4 —are situated rotated by 90° with respect to the carrier stops.
  • a inner surface grove 20 of the outer pipe sections 3 In proximity to the inner collar 16 is a inner surface grove 20 of the outer pipe sections 3 , into which the carrier stops 19 mesh in the coupled state of the two pipe sections 3 , 4 .
  • the front end of the outer pipe section 3 has an inner collar 21 , which, similar to the inner collar 16 , has two opposing longitudinal slits 17 , 18 ( FIG. 4 ).
  • the rearward end of the inner pipe section 4 is provided with a receiver 22 for the carrier stops 15 at the front end of the neighbouring inner pipe section 4 .
  • these carrier stops 15 are situated behind a band 23 at the rearward end of the inner pipe sections 4 shown left in FIG. 3 or the front respectively, which band 23 is provided with two opposing longitudinal slits 24 , 25 ( FIG. 5 ) for inserting the carrier stops 15 .
  • At the front end of the inner pipe sections 4 further carrier stops 26 are situated, which can be inserted through the longitudinal slits 17 , 18 in the inner collar 21 of the outer pipe section 3 and which serve as locking for the two pipe sections 3 , 4 after a 90°-turn together with the other carrier stops 15 on the inner pipe section 4 ( FIG. 5 ).
  • the rod assembly In the coupled state, the rod assembly has a continuous inner boring 27 as well as a continuous channel of separate ring shape sections 28 , 29 , 30 , which surround the inner pipe sections 4 and are interconnected by means of the longitudinal slits 17 , 18 ; 24 , 25 . In this manner it is possible to transport one single fluid to and fro through the rod assembly or to transport two fluids separately from each other in direction of the drilling head.
  • the inner sections 4 are interconnected with the outer pipe sections 3 by means of the carrier stops 15 and the band 23 as well as the carrier stops 19 , 26 and the inner collars 16 , 21 in such a fashion, that the rods 3 , 4 form a unit and can be pulled out of a drilling hole (to the right in FIG. 3 ) in one piece by means of the tension rod or inner rod assembly respectively being made of the inner pipe sections 4 , although the outer pipe sections 3 are only interconnected by means of the plug type connections 11 , 13 .
  • outer pipe sections 20 are interconnected in a manner torque proof in both directions by means of a sleeve type plug type connection 31 like in the embodiments of FIGS. 1 to 5 .
  • the outer pipe sections 30 are provided with two inner collars 32 , 33 , which are provided in longitudinal slits 34 , 35 like the inner collars 16 , 20 .
  • a tension rod in form of separate rope sections 36 , 37 protrudes, which are provided with carrier stops 38 at the front end and locking stops 39 at the rearward end as well as being interconnected by means of hooks 41 meshing with rings 40 .
  • the rearward locking stops 39 are provided to position the rope sections 36 , 37 in co-operation with the carrier stops 38 situated at the front and to secure the rope sections 36 , 37 against falling out of the pipe sections.
  • the outer pipe sections 30 can be braced together to form a uniform rod assembly torque proof in both directions.
  • the rope 36 , 37 allows the rod assembly to be pulled out of the drilling hole completely in both directions although only been connected by means of plug type connections 31 .
  • the inside of the rod assembly of rod sections 30 is made of separate sections 42 which are in connection with each other by means of the mentioned longitudinal slits 34 , 35 in the inner collars 32 , 33 .
  • the rod assembly therefore can also be used for the transportation of a drilling or a driving liquid.
  • the rod assembly according to the invention can especially be used with a steerable drilling head, as described in U.S. Pat. No. 5,322,391, which content is herewith incorporated in this document.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
US10/469,319 2001-03-03 2002-02-26 Drilling device comprising a rotational drive Expired - Fee Related US7182158B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10110399A DE10110399C1 (de) 2001-03-03 2001-03-03 Gestänge und dessen Verwendung für eine Bohrvorrichtung mit einem Drehantrieb
US10110399.9 2001-03-03
PCT/EP2002/002021 WO2002070858A2 (de) 2001-03-03 2002-02-26 Bohrvorrichtung mit einem drehantrieb

Publications (2)

Publication Number Publication Date
US20040108144A1 US20040108144A1 (en) 2004-06-10
US7182158B2 true US7182158B2 (en) 2007-02-27

Family

ID=7676282

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/469,319 Expired - Fee Related US7182158B2 (en) 2001-03-03 2002-02-26 Drilling device comprising a rotational drive

Country Status (5)

Country Link
US (1) US7182158B2 (ja)
JP (1) JP4580144B2 (ja)
DE (1) DE10110399C1 (ja)
GB (1) GB2391573B (ja)
WO (1) WO2002070858A2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10110399C1 (de) 2001-03-03 2002-07-25 Tracto Technik Gestänge und dessen Verwendung für eine Bohrvorrichtung mit einem Drehantrieb
DE102006019396B4 (de) * 2006-04-24 2014-10-16 Tracto-Technik Gmbh Bohrgestänge
EP2821585B1 (de) 2013-07-03 2016-01-20 Bauer Spezialtiefbau GmbH Bohrvorrichtung und Bohrverfahren

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1547759A (en) 1921-05-28 1925-07-28 William O Journeay Tool joint
US2446964A (en) * 1944-06-26 1948-08-10 Stone Frank Sewer mole
US2641444A (en) * 1946-09-03 1953-06-09 Signal Oil & Gas Co Method and apparatus for drilling boreholes
US2953352A (en) * 1958-08-04 1960-09-20 Houston Engineers Inc Tensile energy accumulator and shock absorbing device for well pipe strings
DE1179889B (de) 1962-07-13 1964-10-22 Hans Wolf Dipl Ing Loesbare Rohrverbindung
US3998479A (en) * 1974-12-23 1976-12-21 Smith International, Inc. Dual conduit drill stem member and connection
US4067596A (en) * 1976-08-25 1978-01-10 Smith International, Inc. Dual flow passage drill stem
US5322391A (en) 1992-09-01 1994-06-21 Foster-Miller, Inc. Guided mole
WO1994020726A1 (fr) * 1993-03-03 1994-09-15 Sabatier Gerard Tige de forage a double corps destinee a etre mise en oeuvre dans les modes de forage dits a circulation inverse
DE4336245A1 (de) 1993-10-22 1995-04-27 Smag Salzgitter Maschinenbau G Stange insbesondere für ein Bohrgestänge
US5439323A (en) * 1993-07-09 1995-08-08 Westinghouse Electric Corporation Rod and shell composite riser
DE19912150A1 (de) 1999-03-18 2000-09-28 Rag Ag Bohrgestänge mit einer von innen lösbaren Gestängeverbindung
WO2002070858A2 (de) 2001-03-03 2002-09-12 Tracto-Technik Gmbh Bohrvorrichtung mit einem drehantrieb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332391A (en) * 1993-07-09 1994-07-26 Jermyn Arthur C Holder for dental hand piece
JP3874867B2 (ja) * 1997-01-13 2007-01-31 ユニタイト株式会社 Ｐｃコンクリートパイルの締結方法および締結構造
JP3878662B2 (ja) * 1997-11-21 2007-02-07 株式会社加藤建設 セグメントピース及び地中構造物の構築方法
JP2002030881A (ja) * 2000-07-18 2002-01-31 Niigata Hirosegumi:Kk 立坑用ケーシング

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1547759A (en) 1921-05-28 1925-07-28 William O Journeay Tool joint
US2446964A (en) * 1944-06-26 1948-08-10 Stone Frank Sewer mole
US2641444A (en) * 1946-09-03 1953-06-09 Signal Oil & Gas Co Method and apparatus for drilling boreholes
US2953352A (en) * 1958-08-04 1960-09-20 Houston Engineers Inc Tensile energy accumulator and shock absorbing device for well pipe strings
DE1179889B (de) 1962-07-13 1964-10-22 Hans Wolf Dipl Ing Loesbare Rohrverbindung
US3998479A (en) * 1974-12-23 1976-12-21 Smith International, Inc. Dual conduit drill stem member and connection
US4067596A (en) * 1976-08-25 1978-01-10 Smith International, Inc. Dual flow passage drill stem
US5322391A (en) 1992-09-01 1994-06-21 Foster-Miller, Inc. Guided mole
WO1994020726A1 (fr) * 1993-03-03 1994-09-15 Sabatier Gerard Tige de forage a double corps destinee a etre mise en oeuvre dans les modes de forage dits a circulation inverse
US5439323A (en) * 1993-07-09 1995-08-08 Westinghouse Electric Corporation Rod and shell composite riser
DE4336245A1 (de) 1993-10-22 1995-04-27 Smag Salzgitter Maschinenbau G Stange insbesondere für ein Bohrgestänge
DE19912150A1 (de) 1999-03-18 2000-09-28 Rag Ag Bohrgestänge mit einer von innen lösbaren Gestängeverbindung
WO2002070858A2 (de) 2001-03-03 2002-09-12 Tracto-Technik Gmbh Bohrvorrichtung mit einem drehantrieb

Also Published As

Publication number Publication date
DE10110399C1 (de) 2002-07-25
JP2004521203A (ja) 2004-07-15
US20040108144A1 (en) 2004-06-10
JP4580144B2 (ja) 2010-11-10
GB0322920D0 (en) 2003-11-05
GB2391573B (en) 2005-02-02
GB2391573A (en) 2004-02-11
WO2002070858A3 (de) 2002-11-28
WO2002070858A2 (de) 2002-09-12

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